选句补充对话,将正确的句子编号填在横线上。（每小题2分，共10分）

A: Welcome to my home. This is the living room.
B: Oh, it’s very big. ________________________
A: A brown sofa, a yellow table, a blue chair and a big TV.
B: ____________________
A: I have 3 bedrooms.
B: Do you have your own(自己的) bedroom?
A: ________________.  Oh! Where are my keys?
B: ___________________?
A: No, they aren’t.
B: Look! They are in the door.
A: ___________________.
B: You’re welcome.